June 20, 2013

Post: The small improvements of MySQL 5.6: Duplicate Index Detection

…replication, InnoDB Fulltext, Memcached integration, a more complete performance schema, online DDL and several other …Duplicates: 0 Warnings: 0 mysql> SHOW CREATE TABLE test\G *************************** 1. row *************************** Table: test Create Table: CREATE TABLE `test` ( `id` int(11) …

Post: Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL now available

… tuples in a table with no primary key was not deterministic which could lead to a node failure…case CREATE TABLE AS SELECT statement was running in parallel with the DDL statement on the selected table, … our online documentation. We did our best to eliminate bugs and problems, but this is a software…

Post: Percona Server 5.5.30-30.2 rerelease fixes non-restart issue

a fix from MariaDB for the upstream bug #63144. CREATE TABLE or CREATE TABLE IF NOT EXISTS statements on an existing table could wait on a metadata… failing or returning immediately if there is a transaction that executed a query which opened that table. Bug fixed #1127008 (Sergei Glushchenko). Fix… in our online documentation. Bugs can be reported on the launchpad bug tracker. UPDATE[18-04-2013]: There was a RPM packaging…

Post: Percona Server for MySQL 5.5.30-30.2 now available

a fix from MariaDB for the upstream bug #63144. CREATE TABLE or CREATE TABLE IF NOT EXISTS statements on an existing table could wait on a metadata… failing or returning immediately if there is a transaction that executed a query which opened that table. Bug fixed #1127008 (Sergei Glushchenko). Fix… in our online documentation. Bugs can be reported on the launchpad bug tracker. UPDATE[18-04-2013]: There was a RPM packaging…

Post: Percona XtraBackup 2.0.7 for MySQL available for download

… of how this information can be used to create/restore a slave can be found in this blogpost….6 backup with partitioned tables. Bug fixed #1169169. Tables that were dropped between taking a full backup and …XtraBackup 2.0.7 are available in our online documentation. Bugs can be reported on the …

Post: Announcing Percona XtraBackup 2.1.1 GA

… binlog information wasn’t available. Fixed by not creating xtrabackup_binlog_info file when binlog isn’t …files behind due to a typo. Bug fixed #1172016. Percona XtraBackup would assume the table has been dropped…XtraBackup 2.1.1 are available in our online documentation. Bugs can be reported on the …

Post: MySQL alternative Percona Server 5.1.68 -14.6 now available

…which could cause a server to hang when binary log is enabled. Bug fixed #1162085. Percona Server would re-create the …missing help texts in the MySQL client because the help tables were missing. Bug fixed #1041981. Other bugs fixes: bug …Server 5.1.68-14.6 are available in our online documentation.

Post: Hacking to make ALTER TABLE online for certain changes

TABLES; Query OK, 0 rows affected (0.00 sec) mysql> SHOW CREATE TABLE `huge_table`\G *************************** 1. row *************************** Table: huge_table Create Table: CREATE TABLE `huge_table` ( … auto_increment is removed. I’ve been a bit surprised, that removing value from enum() …

Post: Knowing what pt-online-schema-change will do

… Starting a dry run. `test`.`t` will not be altered. Specify –execute instead of –dry-run to alter the table. Creating new tableCREATE TABLE `…attendee of webinars knows: pt-online-schema-change creates three triggers: Not creating triggers because this is a dry run. CREATE TRIGGER `pt_osc_test…

Post: pt-online-schema-change and default values

…-online-schema-change –execute –alter=”add column v varchar(100) not null” D=sbtest,t=sbtest Altering `sbtest`.`sbtest`… Creating new tableCreated new table… from `sbtest`.`sbtest` to `sbtest`.`_sbtest_new`: Copying rows caused a MySQL error 1364: Level: Warning Code: 1364 Message: Field ‘v…